Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D897619 | Broom | Sami Lyytikäinen, Petteri Masalin | 2020-09-29 |
| D851347 | Broom | Sami Lyytikäinen, Petteri Masalin | 2019-06-11 |
| D456676 | Rake head | Svante Ronnholm | 2002-05-07 |
| D308018 | Knife sharpener | Erkki O. Linden | 1990-05-22 |
| D304993 | Hanging attachment for tool handles | — | 1989-12-12 |
| D298725 | Rake head | Svante Ronnholm | 1988-11-29 |